datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,07 0:30:00,31 ,       0,0.023562, 0.00211,0.005985
sgpcmbeC1.c1,2000,07 1:30:00,31 ,       0,0.034411, 0.00111, 0.00618
sgpcmbeC1.c1,2000,07 2:30:00,31 ,       0, 0.05901,0.002323,0.010688
sgpcmbeC1.c1,2000,07 3:30:00,31 ,       0,0.026352,0.001472,0.005772
sgpcmbeC1.c1,2000,07 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,07 5:30:00,31 ,0.382669,26.16873,10.75495,6.812305
sgpcmbeC1.c1,2000,07 6:30:00,31 , 9.02359,160.8843,98.16381, 52.2811
sgpcmbeC1.c1,2000,07 7:30:00,31 ,10.74587,353.2159,232.2486,116.6941
sgpcmbeC1.c1,2000,07 8:30:00,31 ,3.311942,548.0037,400.6681,176.3903
sgpcmbeC1.c1,2000,07 9:30:00,31 ,11.02834,724.7838,567.7613,193.8895
sgpcmbeC1.c1,2000,0710:30:00,31 ,86.13831,870.6456,726.0077,194.6159
sgpcmbeC1.c1,2000,0711:30:00,31 ,318.9673,973.7375,835.8168,153.8478
sgpcmbeC1.c1,2000,0712:30:00,31 ,412.5659,994.5106,889.5607,133.7307
sgpcmbeC1.c1,2000,0713:30:00,31 , 357.599,966.3375,842.4741,147.9998
sgpcmbeC1.c1,2000,0714:30:00,31 ,174.9199,883.5449,753.9999,200.3951
sgpcmbeC1.c1,2000,0715:30:00,31 ,36.35279,765.5026,641.1944, 174.451
sgpcmbeC1.c1,2000,0716:30:00,31 ,74.28684,572.3391,493.4526,128.1779
sgpcmbeC1.c1,2000,0717:30:00,31 ,122.8767,385.6394,339.1152, 56.5752
sgpcmbeC1.c1,2000,0718:30:00,31 ,64.16784,225.2106,155.6258,35.19385
sgpcmbeC1.c1,2000,0719:30:00,31 ,2.124887, 39.6424,24.26287,10.24442
sgpcmbeC1.c1,2000,0720:30:00,31 ,       0,0.093616,0.005799,  0.0176
sgpcmbeC1.c1,2000,0721:30:00,31 ,       0,0.000161, 5.19E-6,0.000029
sgpcmbeC1.c1,2000,0722:30:00,31 ,       0,0.004241,0.000138,0.000761
sgpcmbeC1.c1,2000,0723:30:00,31 ,       0,0.023297,0.001172,0.004426